--- a/src/mam.py	Sat Jan 12 16:41:45 2019 +0100
+++ b/src/mam.py	Sat Jan 12 16:43:46 2019 +0100
@@ -102,10 +102,20 @@
         def cb(items_data):
             msg_data = []
             rsm_elt = None
+            attributes = {}
             for item_data in items_data:
                 if item_data.item.name == 'set' and item_data.item.uri == rsm.NS_RSM:
                     assert rsm_elt is None
                     rsm_elt = item_data.item
+                    # XXX: we check if it is the last page using initial request data
+                    #      and RSM element data. In this case, we must have the "complete"
+                    #      attribute set to "true".
+                    page_max = (int(rsm_elt.first['index']) + 1) * mam_request.rsm.max
+                    count = int(unicode(rsm_elt.count))
+                    if page_max >= count:
+                        # the maximum items which can be displayed is equal to or above
+                        # the total number of items, which means we are complete
+                        attributes['complete'] = "true"
                 elif item_data.item.name == 'item':
                     msg_data.append([item_data.item['id'], make_message(item_data.item), item_data.created])
                 else:
@@ -117,7 +127,7 @@
                 for data in msg_data:
                     self.forwardPEPMessage(mam_request, *data)
                 msg_data = []
-            return (msg_data, rsm_elt)
+            return (msg_data, rsm_elt, attributes)
 
         d.addErrback(self._mapErrors)
         d.addCallback(cb)